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Finding the Fourth Proportional to 35,435.60, 53,134.20 and 14,635.60

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Solution

The fourth proportional to 35,435.60, 53,134.20 and 14,635.60 is: 21,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.60 : 53,134.20 = 14,635.60 : x
  2. Step 2: Convert to fraction form
    35,435.60/53,134.20 = 14,635.60/x
  3. Step 3: Cross multiply
    35,435.60x = 53,134.20 × 14,635.60
  4. Step 4: Simplify right side
    35,435.60x = 777,650,897.52
  5. Step 5: Solve for x
    x = 777,650,897.52/35,435.60
  6. Step 6: Final answer
    x = 21,945.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.